Lone Tree

The Lone Tree is a mine located in Mendocino county, California.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Lone Tree  

State:  California

County:  Mendocino

Elevation:

Commodity:

Lat, Long: 39.05722, -123.09250

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Lone Tree

Lone Tree MRDS details

Site Name

Primary: Lone Tree


Commodity

Tertiary: Manganese


Location

State: California
County: Mendocino


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: W. S. Graham


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: AVERAGE GRADE 25 PERCENT MANGANESE, 30 PERCENT SILICA.


Materials

Not available


Comments

Comment (Production): NO PRODUCTION. IDLE. THERE ARE ABOUT 3 TONS OF FLOAT AVERAGING ABOUT 25 PERCENT MANGANESE AND 30 PERCENT SILICA.

Comment (Geology): GEOL.DESC: ORE OCCURS AS FLOAT IN AREA UNDERLAIN BY THIN BEDDED RADIOLARIAN CHERT. ORE IS MOSTLY SOFT BLACK SILICEOUS IRON STAINED OXIDES. SOME CHERT BLOCKS ARE EMBEDDED IN SOFT MANGANESE OXIDE. CHERT FLOAT IS HEAVILY STAINED WITH MANGANESE OXIDE. FLOAT ORE IS BRECCIATED.


References

Reference (Deposit): CALIF. JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4 OCT., 1953, P. 388

Reference (Deposit): D.O.M. BULL. 152, PP. 128-9.


California Gold

Where to Find Gold in California

"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.